'Ltl formula' diaporamas de présentation

Model Checking and Testing combined

Model Checking and Testing combined. Doron Peled, University of Warwick. Want to verify hardware and code . Want to perform verification automatically . Manual methods are time consuming , difficult . Restricting to finite state systems. Willing to give up exhaustiveness .

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Logic in computer science ES c233

Logic in computer science ES c233. Prof. Navneet Goyal , CSIS Department, BITS- Pilani Material taken from different sources!!! Some from Text Book ( Huth & Ryan). Topics. Introduction to Verification Approaches to Verification Verification by model checking Temporal logic

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Witness and Counterexample Li Tan tanli@saul.cis.upenn Oct. 15, 2002

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Black Box Checking

Black Box Checking Book: Chapter 9 Model Checking Finite state description of a system B . LTL formula ?. Translate ?? into an automaton P . Check whether L( B ) ? L( P )=?. If so, S satisfies ?. Otherwise, the intersection includes a counterexample. Repeat for different properties.

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Symbolic Model Checking without BDDs

Symbolic Model Checking without BDDs. Armin Biere Alessandro Cimatti Edmund Clarke Yunshan Zhu Presented by Manikantan & Prakash Prabhu. Outline. Introduction Example Semantics Translation Determining the bound Exp. Results & Conclusion. Introduction. Model Checking (MC)

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LTL Model Checking

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SPIN

SPIN. An explicit state model checker. Properties. Safety properties Something bad never happens Properties of states Liveness properties Something good eventually happens Properties of paths. Reachability is sufficient. We need something more complex to check liveness properties.

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Given the LTL formula: r ? ?pU(q?Or), Write down the closure of the formula

Assignment #3 - Solution. Given the LTL formula: r ? ?pU(q?Or), Write down the closure of the formula Write down the corresponding Atoms

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